Review on AEM 20 403S Air Bypass Valve by James Edwards

Name: AEM 20 403S Air Bypass Valve
Item: AEM 20 403S Air Bypass Valve
Rating: 3

September 11, 2022

Best replacement NISMO OEM part.

Overall I am happy with the price and performance of this part when used on my NISMO cold air intake system as it is the only one that I have found will work for my application. Keep in mind this is the 3rd time in 8 years as the mounting flanges tend to break when flexed.

Pros

Patent #6,394,128

Cons

Problems

New products

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